ASTM A333 yog tus qauv rau cov kav hlau tsis muaj seamless uas tsim tshwj xeeb rau cov chaw kub tsawg thiab dav dav
siv rau hauv cov teb xws li roj av, kev tsim kho tshuaj lom neeg, thiab lub zog.

Kev piav qhia

【Cov khoom siv uas tiv taus tau ntau】PebCov yeeb nkab SMLyog ua los ntawm cov hlau cam khwb cia, Qhov ntau thiab tsawg tshwj xeeb tuaj yeem hloov kho.
【Siv dav】Cov tshuab dej hauv nroog, cov tshuab tiv thaiv hluav taws (A1), cov tshuab dej ntws thiab dej phwj tuaj, cov teb kev lag luam, thiab lwm yam.
Cov khoom DINSEN raug xa tawm mus rau Saudi Arabia, Kazakhstan, Dubai, Africa, Fabkis, Australia, Russia, Iraq, Poland, Indonesia, Nyab Laj, Is Nrias teb, thiab lwm yam.

Lus Cim: Tag nrho cov khoom dhau qhov kev tshuaj xyuas zoo ua ntej tawm hauv lub Hoobkas

cov khoom siv yeeb nkab cam khwb cia